20531004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3557}}^1$

素因数の和:3614

約数の個数: 48

約数和(自身を含む): 52999968

約数和(自身を除く): 32468964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3557, 5772, 7114, 10671, 14228, 21342, 42684, 46241, 92482, 131609, 138723, 184964, 263218, 277446, 394827, 526436, 554892, 789654, 1579308, 1710917, 3421834, 5132751, 6843668, 10265502, 20531004]

約数ペア:

[(1, 20531004), (2, 10265502), (3, 6843668), (4, 5132751), (6, 3421834), (12, 1710917), (13, 1579308), (26, 789654), (37, 554892), (39, 526436), (52, 394827), (74, 277446), (78, 263218), (111, 184964), (148, 138723), (156, 131609), (222, 92482), (444, 46241), (481, 42684), (962, 21342), (1443, 14228), (1924, 10671), (2886, 7114), (3557, 5772)]